/*
 *所有关于Holiday类的业务代码应在此处编写
*可使用repository.调用常用方法，获取EF/Dapper等信息
*如果需要事务请使用repository.DbContextBeginTransaction
*也可使用DBServerProvider.手动获取数据库相关信息
*用户信息、权限、角色等使用UserContext.Current操作
*HolidayService对增、删、改查、导入、导出、审核业务代码扩展参照ServiceFunFilter
*/
using VOL.Core.BaseProvider;
using VOL.Core.Extensions.AutofacManager;
using VOL.Entity.DomainModels;
using System.Linq;
using VOL.Core.Utilities;
using System.Linq.Expressions;
using VOL.Core.Extensions;
using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.AspNetCore.Http;
using VOL.Dhj.IRepositories;
using System.Net;
using VOL.Core.DBManager;
using VOL.Dhj.Repositories;
using OfficeOpenXml.FormulaParsing.Excel.Functions.DateTime;

namespace VOL.Dhj.Services
{
    public partial class HolidayService
    {
        private readonly IHttpContextAccessor _httpContextAccessor;
        private readonly IHolidayRepository _repository;//访问数据库

        [ActivatorUtilitiesConstructor]
        public HolidayService(
            IHolidayRepository dbRepository,
            IHttpContextAccessor httpContextAccessor
            )
        : base(dbRepository)
        {
            _httpContextAccessor = httpContextAccessor;
            _repository = dbRepository;
            //多租户会用到这init代码，其他情况可以不用
            //base.Init(dbRepository);
        }

        WebResponseContent webResponse = new WebResponseContent();


        /// <summary>
        /// 新建
        /// </summary>
        /// <param name="saveDataModel"></param>
        /// <returns></returns>
        public override WebResponseContent Add(SaveModel saveDataModel)
        {

            // 在保存数据库前的操作，所有数据都验证通过了，这一步执行完就执行数据库保存
            AddOnExecuting = (Holiday holiday, object list) =>
            {

                holiday.HolidayTime = DateTime.Parse(holiday.StartTime);            
                DateTime date1 = DateTime.ParseExact(holiday.StartTime, "yyyy-MM-dd", null);
                DateTime date2 = DateTime.ParseExact(holiday.EndTime, "yyyy-MM-dd", null);
                TimeSpan delta = date2 - date1;
                int days = delta.Days + 1;
                holiday.Duration = days.ToString();


                return webResponse.OK();
            };


            return base.Add(saveDataModel);
        }

        /// <summary>
        /// 编辑操作
        /// </summary>
        /// <param name="saveModel"></param>
        /// <returns></returns>
        public override WebResponseContent Update(SaveModel saveModel)
        {            
            //此处saveModel是从前台提交的原生数据，可对数据进修改过滤
            UpdateOnExecute = (SaveModel model) =>
            {                
                return webResponse.OK();

            };

            //编辑方法保存数据库前处理
            UpdateOnExecuting = (Holiday holiday, object addList, object updateList, List<object> delKeys) =>
            {

                holiday.HolidayTime = DateTime.Parse(holiday.StartTime);
                DateTime date1 = DateTime.ParseExact(holiday.StartTime, "yyyy-MM-dd", null);
                DateTime date2 = DateTime.ParseExact(holiday.EndTime, "yyyy-MM-dd", null);
                TimeSpan delta = date2 - date1;
                int days = delta.Days + 1;
                holiday.Duration = days.ToString();
                return webResponse.OK();
            };

            return base.Update(saveModel);
        }

    }
}
